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2. RADAR OPERATION
2-3
To adjust the receiver gain, transmit on long range, and then do the following:
1. Press the [GAIN] key. The last-used “adjustment window” is displayed. In the
example below, the gain sensitivity adjustment is shown.
.250/ 319.9
°
M
.125nm
SP
H-UP
GAIN
ADJUST
+
359.9
°
R
0.24nm
GAIN
A/C
SEA
A/C
RAIN
FTC
RETURN
GAIN SENSITIVITY
AUTO ROUGH
AUTO MODERATE
AUTO CALM
MAN
0
Item selected for adjustment is highlighted.
Gain adjustment soft keys
2. If the gain sensitivity window is not displayed, press the GAIN soft key to
show it.
GAIN SENSITIVITY
AUTO ROUGH
AUTO MODERATE
AUTO CALM
MAN
0
Gain sensitivity window
3. Press ▲ or ▼ to select AUTO ROUGH, AUTO MODERATE, AUTO CALM,
or MAN (manual) as appropriate. Select an AUTO option according to the
sea state.
4. For manual adjustment, rotate the [ENTER] knob to adjust. The range of
adjustment is 0-100(%).
5. Press the [GAIN] key on the front panel or the RETURN soft key to finish.